Tri Unda 537
Unda Radio; Como, Dobbiaco
- Country
- Italy
- Manufacturer / Brand
- Unda Radio; Como, Dobbiaco
- Year
- 1936/1937
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 30780
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 450 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Details
- Visual Tuning Indicator pre Eye
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Tri Unda 537 - Unda Radio; Como, Dobbiaco
- Shape
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Notes
-
Selettività: 1/900. Sensibilità: 15 uV. Frequenza intermedia: il Radiolibro indica 450 kHz; il Servizio Radiotecnico indica 490 kHz.
Indicatore ottico di sintonia. Controllo di tono. Ingresso Fono.
- Source of data
- Guida Pratica Antique Radio II (2000)
- Mentioned in
- Il Radio Libro (E.D. Ravalico) Edizioni Hoepli
- Literature/Schematics (1)
- -- Original-techn. papers. (D.E. Ravalico: Servizio Radiotecnico vol. II. Radioriparazioni. 8^ Edizione. Hoepli, Milano, 1952.)
- Literature/Schematics (2)
- Schemario di apparecchi radio a valvole (II edizione, D.E. Ravalico - Hoepli - 1945)
- Author
- Model page created by Alessandro De Poi. See "Data change" for further contributors.
- Other Models
-
Here you find 242 models, 160 with images and 177 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Unda Radio; Como, Dobbiaco